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SubjectRe: [PATCH v3 2/6] dt-bindings: treewide: add feature-domains description in binding files
On Fri, 27 Jan 2023 17:40:36 +0100
Gatien Chevallier <gatien.chevallier@foss.st.com> wrote:

> feature-domains is an optional property that allows a peripheral to
> refer to one or more feature domain controller(s).
>
> Description of this property is added to all peripheral binding files of
> the peripheral under the STM32 System Bus. It allows an accurate
> representation of the hardware, where various peripherals are connected
> to this firewall bus. The firewall can then check the peripheral accesses
> before allowing it to probe.
>
> Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>

There was probably a cleaner way to ensure that this could go via the various
subsystem trees, but hopefully there won't be any clashes with other work going in
and if there is, the resolution should be simple. Hence I'm fine with
this going via the dt tree.

So for the IIO ones below,

Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

> diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> index 1c340c95df16..c68b7b0e1903 100644
> --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> @@ -93,6 +93,11 @@ properties:
> '#size-cells':
> const: 0
>
> + feature-domains:
> + $ref: /schemas/feature-controllers/feature-domain-controller.yaml#/properties/feature-domains
> + minItems: 1
> + maxItems: 3
> +
> allOf:
> - if:
> properties:
> diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
> index 1970503389aa..d01f60765e48 100644
> --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
> @@ -59,6 +59,11 @@ properties:
> If not, SPI CLKOUT frequency will not be accurate.
> maximum: 20000000
>
> + feature-domains:
> + $ref: /schemas/feature-controllers/feature-domain-controller.yaml#/properties/feature-domains
> + minItems: 1
> + maxItems: 3
> +
> required:
> - compatible
> - reg
> diff --git a/Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml b/Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml
> index 0f1bf1110122..f6fe58d2f9b8 100644
> --- a/Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml
> +++ b/Documentation/devicetree/bindings/iio/dac/st,stm32-dac.yaml
> @@ -45,6 +45,11 @@ properties:
> '#size-cells':
> const: 0
>
> + feature-domains:
> + $ref: /schemas/feature-controllers/feature-domain-controller.yaml#/properties/feature-domains
> + minItems: 1
> + maxItems: 3
> +
> additionalProperties: false

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